package com.springboot.springbootswagger.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.authority.AuthorityUtils;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;

/**
 * @author wangning
 * @create 2021-04-01 17:06
 */
@Service
public class UserServiceImpl implements UserDetailsService {
	@Autowired
	private PasswordEncoder passwordEncoder;

	@Override
	public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
		System.out.println("执行了loadUserByUsername方法");
		//1.查询数据库判断用户名是否存在，如果不存在就会抛出异常UsernameNotFoundException
		if(!"admin".equals(username)) {
			throw new UsernameNotFoundException("用户名不存在");
		}
		// 2.把查询出来的密码（注册时已经加过密）进行解析，或者直接把密码放入构造方法
//		String password = passwordEncoder.encode("123");
		String password = passwordEncoder.encode("123456");
		return new User(username, password,
				AuthorityUtils.commaSeparatedStringToAuthorityList("admin,normal,ROLE_abc,/main.html,/insert,/delete")
		);
	}
}
